Picture frame



FIG. 1 is a front and bottom side perspective view of my new picture frame;

FIG. 2 is a rear and bottom side perspective view;

FIG. 3 is a bottom side elevation;

FIG. 4 is a top side elevation;

FIG. 5 is a right side elevation;

FIG. 6 is a left side elevation;

FIG. 7 is a front plan view; and,

FIG. 8 is a rear plan view. 

The ornamental design for a picture frame, as shown and described. 